No. 24918. August 4, 1970. Warren M. Davison (argued), Leonard M. Wagman, Sanford H. Fisher, Attys., Marcel Mallet-Provost, Dominick L. Manoli, Arnold Ordman, Washington, D.C., Abraham Siegel, Regional Atty., N.L.R.B., Los Angeles, Cal., for petitioner. Hugh M. Smith (argued), Schoolfield Smith, Dallas, Tex., John R. Tadlock, Gen. Counsel, Int. Union, Denver, Colo., for petitioner. Before KOELSCH and CARTER, Circuit Judges, and HALL, District Judge. Honorable Peirson M. Hall, Senior United States